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FOR FURTHER TECHNICAL INFORMATION PLEASE REFER TO TECHNICAL DOCUMENTATION PROVIDED. PLEASE 

NOTE THAT ANTIFREEZE PROTECTIONS ARE MANDATORY FOR OUTDOOR AIR TEMPERATURE LOWER THAN 

3°C. 

43 

THE WATER CIRCUIT IS FILLED WITH ETHYLENE GLYCOL. ETHYLENE GLYCOL “%” SHALL CONFORM WITH 

THE DATA PROVIDED IN THE TECHNICAL DOCUMENTATION. 

 

 

44 

ALL WATER PIPES ARE GROUND CONNECTED (IN ORDER TO AVOID ABNORMAL VOLTAGES THAT CAN CAUSE 

DANGEROUS CORROSIONS). 

 

 

45 

THE EVAPORATOR WATER FLOW IS COMPLIANT TO THE TECHNICAL DOCUMENTATION PROVIDED BY TRANE. 

 

 

46 

THE WATER PUMPS ARE CORRECTLY SET UP IN ACCORDANCE WITH THE PLANT WATER FLOW, AVAILABLE HEAD 

PRESSURE AND PRESSURE DROP. 

 

 

47 

THE PUMP IMPELLERS ARE MECHANICALLY UNBLOCKED AND UNCLOGGED (FREE FROM ANY KIND OF 

CONSTRAINTS.) 

 

 

 

 

 

 

DATE: 

AUTHORIZED SERVICE: 

NAME AND SIGNATURE 

CUSTOMER: 

NAME AND SIGNATURE 

Содержание Flex II

Страница 1: ...CG SVX048A GB Original instructions Installation Operation Maintenance Flex II Air to water heat pumps with fixed speed scroll compressors...

Страница 2: ...6 ELECTRICAL POWER SUPPLY 12 7 WATER CONNECTIONS 13 8 ELECTRICAL PANEL 24 9 OPERATOR RESPONSABILITIES 27 10 START UP PRELIMINARY PROCEDURES 27 12 CHECK LIST MANDATORY OPERATION CONTROL BEFORE START UP...

Страница 3: ...made to the carrier for damage or for not delivery and the Receiving Card to be found inside the unit electrical panel must be filled in Photographic evidence must be provided for macroscopic damage T...

Страница 4: ...means of the external knife switch check that the unit has been earthen correctly before starting it up control all the electrical connections and the connection cables paying particular attention to...

Страница 5: ...only after having placed a sign which says do not use maintenance in progress if modifications must be carried out to the cooling hydraulic or electrical circuit of the unit or to its command logic c...

Страница 6: ...ING LIMITS Unit operation is permitted within the limits indicated in the diagram provided in 3 3 CAUTION The operation outside the limits specified may cause the activation of the protections and dis...

Страница 7: ...OAT Outdoor Air Temperature C LWT Leaving Water Temperature C Low ambient kit down to 15 C Heater in control box HEAT PUMP MODE kit 15 C...

Страница 8: ...06 1 09 1 118 1 149 1 182 1 211 1 243 In order to calculate performance with glycoled solutions multiply main sizes by respective coefficients GLYCOL PERCENTAGE DEPENDING ON FREEZINGTEMPERATURE glycol...

Страница 9: ...supporting structures fit shock absorbers in every fastening point Rubber shock absorbers are recommended for units installed on the ground spring shock absorbers for units installed on roofs Open sp...

Страница 10: ...osition fix the antivibration bolts 4 3 PRECAUTIONS FOR DOMINANT WINDS Avoid obstacles on suction and discharge sides of the units Respect the safety distances as shown on the units dimensional drawin...

Страница 11: ...ocal code 6 1 POWER CONNECTIONS Protect the unit electric box power supply circuit with protection devices not included in the supplied equipment Connect the line terminals with a three core cable of...

Страница 12: ...g units with temperature around 0 C please evacuate the exchanger with compressed air in order to avoid breakings due to ice If the unit is installed in order to replace another the entire hydraulic s...

Страница 13: ...eat exchanger Q max maximum water flow to the heat exchanger Tmax chiller 8 C Tmax heat pump 8 C dpw K Q 1000 Q 0 86 P T IMPORTANT If pumps driven by inverters either unit onboard pump or external pum...

Страница 14: ...from weather conditions The problem of water pipes freezing could appear in two different situations 1 Stand by with mode on but electrically connected in this case the unit has frost resistances whic...

Страница 15: ...the customer pump if present must always be electrically supplied alike and functioning properly 2 Addition of an appropriate amount of glycol inside the water circuit 3 Additional heat insulation an...

Страница 16: ...tank Modular version with single pump Modular version with double pump and stand by pump Units can be installed in modular configuration up to a maximum of 6 units by means of a dedicated hydraulic c...

Страница 17: ...6 bar Shut Off Valve Pump Water Charge Water DIscharge Check Valve Water Tank Antivibration System Flow Switch FIlter 2 Way Valve With ON OFF Servo Control Water Differential Pressure Switch Temperatu...

Страница 18: ...6 bar Shut Off Valve Pump Water Charge Water DIscharge Check Valve Water Tank Antivibration System Flow Switch FIlter 2 Way Valve With ON OFF Servo Control Water Differential Pressure Switch Temperatu...

Страница 19: ...Valve Pump Water Charge Water DIscharge Check Valve Water Tank Antivibration System Flow Switch FIlter 2 Way Valve With ON OFF Servo Control Flow Switch FIlter 2 Way Valve With ON OFF Servo Control 6...

Страница 20: ...he flow switch and the water strainer in the customer plant are obligatory in order to keep the warranty Primary Pump Secondary Pump Temperature Probe Flow Switch Drainage Vent Valve Expansion Vessel...

Страница 21: ...NT the flow switch and the water strainer in the customer plant are obligatory in order to keep the warranty Primary Pump Secondary Pump Temperature Probe Flow Switch Drainage Vent Valve Expansion Ves...

Страница 22: ...y Pump Temperature Probe Flow Switch AIR CONDITIONING WATER PUMP WATER TANK FANCOIL AIR CONDITIONING WATER PUMP WATER TANK FANCOIL Drainage Vent Valve Expansion Vessel Filling Group Steel Mesh Straine...

Страница 23: ...calibrate the device to compensate for the weight of the headstock If the unit is mounted to the bottom WARNINGS on deposits that can form must be made The appliance must be installed in a straight p...

Страница 24: ...PARTIAL RECOVERY PB LP PRESSURE SWITCH Rliq LIQUID RECEIVER RC CARTER HEATER VA SAFETY VALVE AA LIQUID SEPARATOR FE FILTER DRIER PS SERVICE VALVE KA HP TRANSDUCER V FAN KB LP TRANSDUCER VS SIGHT GLASS...

Страница 25: ...uit 230 24V It requires no additional power cable for the control equipment The unit has an antifreeze heater installed directly into the evaporator The circuit also has an electric resistance install...

Страница 26: ...p of the evaporator with the calibration valve shut and then slowly open it Discharge the air from the high points of the water circuit and check the direction of the water flow Carry out a setting of...

Страница 27: ...ALLED BETWEEN THE UNIT AND THE FLOOR 7 THE UNIT DISPLAYS DEFECTS OR DAMAGES RESULTING FROM MODIFICATIONS OR CHANGES UNIT TAMPERING UNAUTHORIZED MODIFICATIONS TO THE REFRIGERANT CIRCUIT OR THE HYDRAULI...

Страница 28: ...ANY ADDITIONAL CONTROLLER HAS BEEN INSTALLED 18 THE CONNECTION WIRES ARE SHIELDED 19 REMOTE CONTROL DEVICES OR INTERFACES ARE CONNECTED TO THE ELECTRICAL PANEL IN CONFORMITY WITH TRANE WIRING DIAGRAMS...

Страница 29: ...RT UP 33 HYDRAULIC CONNECTIONS TO THE UNIT ARE COMPLIANT WITH THE UNIT NAME PLATE AND DIMENSIONAL DRAWINGS HOT WATER INLET HOT WATER OUTLET COLD WATER INLET COLD WATER OUTLET ETC 34 RUBBER JOINTS ARE...

Страница 30: ...CUMENTATION 44 ALL WATER PIPES ARE GROUND CONNECTED IN ORDER TO AVOID ABNORMAL VOLTAGES THAT CAN CAUSE DANGEROUS CORROSIONS 45 THE EVAPORATOR WATER FLOW IS COMPLIANT TO THE TECHNICAL DOCUMENTATION PRO...

Страница 31: ...may mean an excess of charge After intervention on the charge it is appropriate to check that the unit runs within the declared values with unit steadily running on a full charge measure the temperatu...

Страница 32: ...e at the end IMPORTANT If the unit has not been provided with integrated pump on board do not turn off the external pump before 3 minutes have elapsed after turning off the last compressor The early s...

Страница 33: ...es at full load and check the oil level The units use POE oil In case of burns for the electrical motor or fault of the compressor it is necessary to make a test to check the acidity of the lubricant...

Страница 34: ...circuit controlling a Overheating compressor b Overheating compressor discharge c Sub cooling of the liquid exiting the condenser coil d Evaporation pressure c Condensing pressure 15 Measure the valu...

Страница 35: ...he oil in the remaining compressor and also replace the liquid line filter drier After an electrical failure of a compressor it will also be necessary to change the oil in the remaining compressor rep...

Страница 36: ...or use and maintenance manual for a complete description of applications setting and adjustments All sensors are preassembled and connected to the microprocessor The descriptions of each sensor are li...

Страница 37: ...te 5 X Carry out the analysis of the vibrations of the compressor X Carry out the analysis of the acidity of the oil of the compressor 7 X Check pressure safety accessories PED Condensing section Clea...

Страница 38: ...ype fans and engines 1 per type 2 YEAR COMPONENTS QUANTITY fuses all filter dryers all solenoid valves all electronic expansion valves all pressure switches all gas gauges all contactors and relays al...

Страница 39: ...he circuit Make sure that working conditions are within the limits of operation Loss of coolant see section G C The compressor starts up and stops repeatedly x s Intervention of the minimum See point...

Страница 40: ...ck the voltage across the coil of the contactor and the continuity of the coil x s Lack of output voltage from the control fan speed Check the contacts replace if necessary x s Thermal protection insi...

Страница 41: ...Water circulation pump blocked Unlock the pump x s Water circulation pump defective Check the pump and replace if necessary x s Low refrigerant charge See point G x s The liquid filter is clogged Repl...

Страница 42: ...rane optimizes the performance of homes and buildings around the world A business of Ingersoll Rand the leader in creating and sustaining safe comfortable and energy efficient environments Trane offer...

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